S7 Technics to create Russia’s first shop for engine and APU heavy maintenance

CFM56 engines and Honeywell 131-9A/B APUs to be repaired at Sheremetyevo airport starting next year

S7 Technics CFM56 heavy maintenance (S7 Technics)

Building on its five-year experience of Western-built engine maintenance, S7 Technics, Russia’s leading independent MRO provider is moving onto the next level by setting up a new engine overhaul shop. This one of its kind facility in Russia and the CIS will be located at Moscow’s Sheremetyevo airport. It will specialize on heavy maintenance of the most popular engines operated by Russian airlines – CFM International’s CFM56 as well as Honeywell APUs, the company announced during last week’s MRO Russia & CIS 2021 conference.

S7 Technics’ Sheremetyevo facility will overhaul the CFM56-5B and -7B engines, which power the Russia’s most popular aircraft families – Airbus A320ceo and Boeing 737NG.Estimated 800 engines of the types are currently in use there. S7 Technics’ specialists will carry out complete disassembly of the engines, clean parts and units, and inspect them for further repairs or replacement. After reassembling, engine performance will be checked on a test bench.

As a partner to Honeywell, S7 Technics will initially perform authorized repairs of 131-9А/B APUs, installed on the same aircraft types, with the RE220, which are fitted on the Russian Superjet 100 regional jets to be added later.

”The new S7 Technics’ shop will allow [our parent] S7 Airlines, as well as other [local] operators to overhaul their engines in Russia, without having to send them abroad. This will reduce downtime and cut financial costs for the airlines. We expect the operational capacity of the facility to reach up to 100 APUs and up to 42 engines per year,” says Alexey Starkov, S7 Technics’ director for engine repairs.

The new facility with the total floor area of 14,000 square meters will consist of two blocks – for engine and APU overhaul, wash lines, inspections, component repairs, parts warehouse and a test bench for testing APUs after repairs.

Modern production lines have already been purchased, as well as the majority of basic equipment – washing, measuring, NDT, balancing and grinding machines.

The shop is scheduled to become operational in the first quarter of 2022, when Honeywell APU amenity will open once EASA Part 145 approval is secured. The CFM56 works will start from mid-2022.

S7 Technics’ operations for engine and APU overhaul will be performed under EASA and FAA certificates.

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